BTC : ビットコイン
function setCandlestickPeriod(candlestickChartDataOptions, period){
//setup options
var cp_chart_periods = new Object();
cp_chart_periods["1hour"] = new Object();
cp_chart_periods["1hour"].group_by = "minute";
cp_chart_periods["1hour"].data_points = 20;
cp_chart_periods["1hour"].aggregate = 3;
cp_chart_periods["24hours"] = new Object();
cp_chart_periods["24hours"].group_by = "hour";
cp_chart_periods["24hours"].data_points = 24;
cp_chart_periods["24hours"].aggregate = 1;
cp_chart_periods["7days"] = new Object();
cp_chart_periods["7days"].group_by = "hour";
cp_chart_periods["7days"].data_points = 21;
cp_chart_periods["7days"].aggregate = 8;
cp_chart_periods["30days"] = new Object();
cp_chart_periods["30days"].group_by = "day";
cp_chart_periods["30days"].data_points = 30;
cp_chart_periods["30days"].aggregate = 1;
cp_chart_periods["1year"] = new Object();
cp_chart_periods["1year"].group_by = "day";
cp_chart_periods["1year"].data_points = 73;
cp_chart_periods["1year"].aggregate = 5;
candlestickChartDataOptions.group_by = cp_chart_periods[period].group_by;
candlestickChartDataOptions.data_points = cp_chart_periods[period].data_points;
candlestickChartDataOptions.aggregate = cp_chart_periods[period].aggregate;
}
function candlestickLoadData(candlestickChartDataOptions, chart_id){
var candlestickDataUrl = "https://min-api.cryptocompare.com/data/"+
"histo"+candlestickChartDataOptions.group_by+
"?fsym="+candlestickChartDataOptions.currency1+
"&tsym="+candlestickChartDataOptions.currency2+
"&limit="+candlestickChartDataOptions.data_points+
"&aggregate="+candlestickChartDataOptions.aggregate+
"&e=CCCAGG"+
"&extraParams=WordPress";
jQuery.get(candlestickDataUrl, function( rawData ) {
console.log("Data loaded");
//console.log(rawData);
//reset any old data
var candlestickChartData = [];
rawData.Data.forEach(function(rawDataSingle) {
var singleDateTime = convertCandlestickTime(candlestickChartDataOptions, rawDataSingle.time);
candlestickChartData.push([
singleDateTime,
rawDataSingle.low,
rawDataSingle.open,
rawDataSingle.close,
rawDataSingle.high,
"Low: "+rawDataSingle.low.toLocaleString()+" "+candlestickChartDataOptions.currency2+"
"+
"High: "+rawDataSingle.high.toLocaleString()+" "+candlestickChartDataOptions.currency2+"
"+
"Open: "+rawDataSingle.low.toLocaleString()+" "+candlestickChartDataOptions.currency2+"
"+
"Close: "+rawDataSingle.high.toLocaleString()+" "+candlestickChartDataOptions.currency2+"
"+
"Volume: "+rawDataSingle.volumeto.toLocaleString()+" "+candlestickChartDataOptions.currency2,
]);
});
google.charts.load("current", {"packages":["corechart"]});
google.charts.setOnLoadCallback( function(){drawChart(candlestickChartDataOptions, candlestickChartData, chart_id);} );
});
}
function drawChart(candlestickChartDataOptions, candlestickChartData, chart_id) {
//var data = google.visualization.arrayToDataTable(candlestickChartData, true);
var data = new google.visualization.DataTable();
data.addColumn("string", "Date");
data.addColumn("number", "Low");
data.addColumn("number", "Open");
data.addColumn("number", "Close");
data.addColumn("number", "High");
data.addColumn({"type": "string", "role": "tooltip", "p": {"html": true}})
data.addRows(candlestickChartData);
var options = {
legend:"none",
title:candlestickChartDataOptions.currency1+" price in "+candlestickChartDataOptions.currency2,
bar: { groupWidth: "70%" }, // sets space between bars
candlestick: {
fallingColor: { strokeWidth: 0, fill: "#a52714" }, // red
risingColor: { strokeWidth: 0, fill: "#0f9d58" } // green
},
tooltip: {isHtml: true},
};
var chart = new google.visualization.CandlestickChart(document.getElementById(chart_id));
chart.draw(data, options);
}
function convertCandlestickTime(candlestickChartDataOptions, UNIX_timestamp){
var a = new Date(UNIX_timestamp * 1000);
var year = a.getFullYear();
var month = dateFormatNumber(a.getMonth()+1, 2);
var date = dateFormatNumber(a.getDate(), 2);
var hour = dateFormatNumber(a.getHours(), 2);
var min = dateFormatNumber(a.getMinutes(), 2);
var sec = dateFormatNumber(a.getSeconds(), 2);
if (candlestickChartDataOptions.group_by == "minute"){
var time = hour+":"+min;
} else if (candlestickChartDataOptions.group_by == "hour"){
var time = hour+":"+min+" "+date+"."+month;
} else {
var time = date+"."+month+"."+year;
}
return time;
}
function dateFormatNumber(n, p, c) {
var pad_char = typeof c !== "undefined" ? c : "0";
var pad = new Array(1 + p).join(pad_char);
return (pad + n).slice(-pad.length);
}
candlestickChartDataOptions_8911 = {
currency1 : "BTC",
currency2 : "JPY",
};
jQuery( document ).ready(function() {
setCandlestickPeriod(candlestickChartDataOptions_8911, "30days");
candlestickLoadData(candlestickChartDataOptions_8911, "8911");
jQuery( "select#chart_period_8911" ).change(function() {
setCandlestickPeriod(candlestickChartDataOptions_8911, jQuery(this).val());
candlestickLoadData(candlestickChartDataOptions_8911, "8911");
});
});
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